Unauthorized users can see the new report form, but submit is disabled

Fixes #63
Show form errors only when something went wrong
New report view implements same layout as report detailed view

Fixes #46
Hides floating login menu if user is signed in

Fixes #76
Add report status and vote count to report view

Fixes #58
Add empty filters to search form

Fixes #52
Moves map zoom controls to the right

Fixes #49
Change vote labels

Fixes #66
Add report category in tweets

Fixes #56
Notify when no reports were found

Fixes #70
Add admin name in comments

Fixes #60
Merge pull request #74 from CodeandoMexico/ux-revamp

UX fixes